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Finding the Fourth Proportional to 192,034.60, 288,051.90 and 51,793.22

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Solution

The fourth proportional to 192,034.60, 288,051.90 and 51,793.22 is: 77,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,034.60 : 288,051.90 = 51,793.22 : x
  2. Step 2: Convert to fraction form
    192,034.60/288,051.90 = 51,793.22/x
  3. Step 3: Cross multiply
    192,034.60x = 288,051.90 × 51,793.22
  4. Step 4: Simplify right side
    192,034.60x = 14,919,135,428.12
  5. Step 5: Solve for x
    x = 14,919,135,428.12/192,034.60
  6. Step 6: Final answer
    x = 77,689.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.